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5pcs A4988 Stepper Motor Driver Module, 35 V 2 A, 1/16 Microstepping, with Heatsink
- Integrated Microstepping Driver Core A4988 stepper motor driver module; supports bipolar motors with full, 1/2, 1/4, 1/8, and 1/16 microstepping; STEP and DIR pulse control removes complex phase tables; simplifies motion control for controllerlimited systems; Wide Voltage And Current Capability Motor supply voltage up to 35 V DC; maximum output current up to 2.0 A with Rs 0.1 and proper cooling; low RDS on output stage improves efficiency; suitable for stable torque output in compact motion platforms; Advanced Current Decay Control Automatic selection of slow or mixed current decay modes; mixed decay combines fast and slow decay within fixed offtime; reduces audible noise, improves step accuracy, and lowers power dissipation during highresolution microstepping; BuiltIn Protection And Reliability Includes thermal shutdown with hysteresis, undervoltage lockout, and crosscurrent protection; synchronous rectification reduces heat during PWM operation; no special poweron sequence required, improving reliability during frequent restarts; Logic Level And System Compatibility Logic inputs compatible with 3.3 V and 5 V controllers; works with common control boards such as for Arduinobased motion controllers; red PCB includes heatsink for thermal support; easy to integrate into CNC and printer control setups
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Overview
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Product Overview A4988 Stepper Motor Driver Module (Red PCB) with heatsink. Integrated microstepping driver for bipolar stepper motors, widely used in 3D printers and CNC systems. Simple STEP/DIR control, low noise, and reliable protection features.
1.
Product Parameters Driver IC: A4988
Motor Type: Bipolar stepper motor
Supply Voltage (VMOT): Up to 35 V DC Logic
Voltage (VDD): 3.3 V / 5 V compatible Max
Output Current: Up to 2.0 A (Rs = 0.1, with cooling)
Microstep Modes: Full, 1/2, 1/4, 1/8, 1/16
Current Control: Fixed offtime, slow / mixed decay
Protection: Thermal shutdown, UVLO, crosscurrent protection
Rectification: Internal synchronous rectification
PCB Type: Red board, with heatsink
2.
Pin Function Description VMOT: Motor power input positive
GND: Power ground
VDD: Logic supply input
STEP: Step pulse input
DIR: Direction control input
EN: Enable control (low active) MS1 / MS2 /
MS3: Microstep selection pins
RESET: Reset input
SLEEP: Sleep mode control 1A / 1B: Motor phase
A output 2A / 2B: Motor phase B output
3. Common Questions & Answers (FAQ)
Q1: What motors are compatible with this driver?
A1: It supports bipolar stepper motors commonly used in 3D printers.
Q2: What is the maximum current output?
A2: Up to 2A with proper cooling and correct current adjustment.
Q3: Does it support microstepping?
A3: Yes, up to 1/16 microstepping via MS1MS3 pins.
Q4: Is it compatible with 3.3V controllers?
A4: Yes, logic inputs support both 3.3V and 5V.
Q5: Is overheating protection included?
A5: Yes, it has builtin thermal shutdown protection.
1.
Product Parameters Driver IC: A4988
Motor Type: Bipolar stepper motor
Supply Voltage (VMOT): Up to 35 V DC Logic
Voltage (VDD): 3.3 V / 5 V compatible Max
Output Current: Up to 2.0 A (Rs = 0.1, with cooling)
Microstep Modes: Full, 1/2, 1/4, 1/8, 1/16
Current Control: Fixed offtime, slow / mixed decay
Protection: Thermal shutdown, UVLO, crosscurrent protection
Rectification: Internal synchronous rectification
PCB Type: Red board, with heatsink
2.
Pin Function Description VMOT: Motor power input positive
GND: Power ground
VDD: Logic supply input
STEP: Step pulse input
DIR: Direction control input
EN: Enable control (low active) MS1 / MS2 /
MS3: Microstep selection pins
RESET: Reset input
SLEEP: Sleep mode control 1A / 1B: Motor phase
A output 2A / 2B: Motor phase B output
3. Common Questions & Answers (FAQ)
Q1: What motors are compatible with this driver?
A1: It supports bipolar stepper motors commonly used in 3D printers.
Q2: What is the maximum current output?
A2: Up to 2A with proper cooling and correct current adjustment.
Q3: Does it support microstepping?
A3: Yes, up to 1/16 microstepping via MS1MS3 pins.
Q4: Is it compatible with 3.3V controllers?
A4: Yes, logic inputs support both 3.3V and 5V.
Q5: Is overheating protection included?
A5: Yes, it has builtin thermal shutdown protection.
Warranty & Returns
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- Return for refund within: 30 days
- Return for replacement within: 30 days
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